21580266

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 22483734

約数列:

[1, 2, 3, 6, 101, 149, 202, 239, 298, 303, 447, 478, 606, 717, 894, 1434, 15049, 24139, 30098, 35611, 45147, 48278, 71222, 72417, 90294, 106833, 144834, 213666, 3596711, 7193422, 10790133, 21580266]

約数ペア:

[(1, 21580266), (2, 10790133), (3, 7193422), (6, 3596711), (101, 213666), (149, 144834), (202, 106833), (239, 90294), (298, 72417), (303, 71222), (447, 48278), (478, 45147), (606, 35611), (717, 30098), (894, 24139), (1434, 15049)]